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this["FirechatDefaultTemplates"] = this["FirechatDefaultTemplates"] || {};

this["FirechatDefaultTemplates"]["templates/layout-full.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div id=\'firechat\' class=\'full\'>\n<div id=\'firechat-header\' class=\'clearfix\'>\n<div class=\'clearfix\'><div class=\'half firechat-dropdown\' style=\'\'>\n<a id=\'firechat-btn-rooms\' class=\'firechat-dropdown-toggle btn full\' data-toggle="firechat-dropdown" href=\'#\'>\n<span class=\'icon user-chat\'></span>\nChat Rooms\n<span class=\'caret\'></span>\n</a>\n<div class=\'firechat-dropdown-menu full\' role=\'menu\'><ul id=\'firechat-room-list\'></ul><div class=\'firechat-dropdown-footer aligncenter\'>\n<button type=\'button\' class=\'btn twothird center\' id=\'firechat-btn-create-room-prompt\'>Create Room</button>\n</div></div></div>\n<div class=\'half firechat-dropdown\' style=\'\'>\n<a data-event=\'firechat-user-search-btn\' class=\'btn full firechat-dropdown-toggle\' data-toggle="firechat-dropdown" href=\'#\'>\n<span class=\'icon user-group\'></span>\nVisitors\n<span class=\'caret\'></span>\n</a>\n<div class=\'firechat-dropdown-menu\' role=\'menu\'>\n<div class=\'firechat-dropdown-header aligncenter clearfix\'>\n<div class=\'search-wrapper\'>\n<span class=\'icon search\'></span>\n<input type=\'text\' data-event=\'firechat-user-search\' data-template=\'templates/user-search-list-item.html\' data-target=\'firechat-user-search\' data-controls=\'firechat-user-search-controls\' class=\'center fivesixth\'>\n</div>\n</div>\n<ul id=\'firechat-user-search\'></ul><div class=\'firechat-dropdown-footer aligncenter clearfix\'>\n<div id=\'firechat-user-search-controls\' class=\'clearfix\'>\n<span class="quarter"></span>\n<button type=\'button\' class=\'btn half\' data-event=\'firechat-user-search\' data-toggle=\'firechat-pagination-next\' data-template=\'templates/user-search-list-item.html\' data-target=\'firechat-user-search\' data-controls=\'firechat-user-search-controls\' disabled=disabled>Next</button>\n</div><label class=\'center full\'>\n<small>Use "+ Invite" button within chat rooms for regular invites.</small>\n</label>\n</div>\n</div>\n</div>\n</div>\n</div>\n<div id=\'firechat-tabs\' class=\'clearfix\'>\n<ul id=\'firechat-tab-list\' class=\'nav nav-tabs clearfix\'></ul>\n<div id=\'firechat-tab-content\' class=\'tab-content\'></div>\n</div><div id=\'firechat-footer\' class=\'clearfix\'></div>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/layout-popout.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div id=\'firechat\' class=\'full\'>\n<div id=\'firechat-tabs\' class=\'clearfix\'>\n<ul id=\'firechat-tab-list\' class=\'nav nav-tabs clearfix\'></ul>\n<div id=\'firechat-tab-content\' class=\'tab-content\'></div>\n</div>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/message-context-menu.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape, __j = Array.prototype.join;function print() { __p += __j.call(arguments, '') }with (obj) {__p += '<div data-toggle=\'firechat-contextmenu\' class=\'contextmenu\' data-message-id=\'' +__e( id ) +'\'>\n<ul>\n<li><a href=\'#!\' data-event=\'firechat-user-warn\'>Warn User</a></li>\n'; if (allowKick) { ;__p += '\n<li><a href=\'#!\' data-event=\'firechat-user-kick\'>Kick User</a></li>\n'; } ;__p += '\n<li><a href=\'#!\' data-event=\'firechat-user-suspend-hour\'>Suspend User (1 Hour)</a></li>\n<li><a href=\'#!\' data-event=\'firechat-user-suspend-day\'>Suspend User (1 Day)</a></li>\n<li><a href=\'#!\' data-event=\'firechat-message-delete\'>Delete Message</a></li>\n</ul>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/message.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape, __j = Array.prototype.join;function print() { __p += __j.call(arguments, '') }with (obj) {__p += '<div class=\'message message-' +__e( type ) +' '; if (isSelfMessage) { ;__p += ' message-self '; } ;__p += '\' data-message-id=\'' +__e( id ) +'\' data-user-id=\'' +__e( userId ) +'\' data-user-name=\'' +__e( name ) +'\' data-class="firechat-message">\n<div class=\'clearfix\'>\n<label class=\'fourfifth\'>\n<strong class=\'name\' title=\'' +__e( name ) +'\'>' +__e( name ) +'</strong>\n<em>(' +__e( localtime ) +')</em>:\n</label>'; if (!disableActions) { ;__p += '\n<label class=\'fifth alignright\'>\n<a href=\'#!\' data-event=\'firechat-user-chat\' class=\'icon user-chat\' title=\'Invite to Private Chat\'>&nbsp;</a>\n<a href=\'#!\' data-event=\'firechat-user-mute-toggle\' class=\'icon user-mute\' title=\'Mute User\'>&nbsp;</a>\n</label>\n'; } ;__p += '</div>\n<div class=\'clearfix message-content\'>\n' +((__t = ( message )) == null ? '' : __t) +'\n</div>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/prompt-alert.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div class=\'aligncenter clearfix\'>\n<h6>' +__e( message ) +'</h6>\n<p class=\'clearfix\'>\n<button type=\'button\' class=\'btn quarter right close\'>Close</button>\n</p>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/prompt-create-room.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div class=\'clearfix\'>\n<h6>Give your chat room a name:</h6>\n<input data-input=\'firechat-room-name\' type=\'text\' placeholder=\'Room name...\' style=\'margin-bottom: 5px;\' maxlength=\'' +__e( maxLengthRoomName ) +'\'>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/prompt-invitation.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div class=\'aligncenter clearfix\'>\n<h5>' +__e( fromUserName ) +'</h5>\n<p>invited you to join</p>\n<h5>' +__e( toRoomName ) +'</h5>\n<p class=\'clearfix\'>\n<button data-toggle=\'accept\' type=\'button\' class=\'btn\'>Accept</button>\n<button data-toggle=\'decline\' type=\'button\' class=\'btn\'>Decline</button>\n</p>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/prompt-invite-private.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div class=\'aligncenter clearfix\'>\n<h6>Invite <strong>' +__e( userName ) +'</strong> to ' +__e( roomName ) +'?</h6>\n<p class=\'clearfix\'>\n<button data-toggle=\'accept\' type=\'button\' class=\'btn\'>Invite</button>\n<button data-toggle=\'decline\' type=\'button\' class=\'close btn\'>Cancel</button>\n</p>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/prompt-invite-reply.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape, __j = Array.prototype.join;function print() { __p += __j.call(arguments, '') }with (obj) {__p += '<div class=\'aligncenter clearfix\'>\n<h5>' +__e( toUserName ) +'</h5>\n<p>\n'; if (status === 'accepted') { ;__p += ' accepted your invite. '; } else { ;__p += ' declined your invite. '; } ;__p += '\n</p>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/prompt-user-mute.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div class=\'aligncenter clearfix\'>\n<h5>' +__e( userName ) +'</h5>\n<p class=\'clearfix\'>\n<button data-toggle=\'accept\' type=\'button\' class=\'btn\'>Mute</button>\n<button data-toggle=\'decline\' type=\'button\' class=\'btn\'>Cancel</button>\n</p>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/prompt.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div class=\'prompt hidden\'>\n<div class=\'prompt-header\'>\n' +__e( title ) +'\n<a href=\'#!\' class=\'close right\'>X</a>\n</div>\n<div class=\'prompt-body clearfix\'>\n' +((__t = ( content )) == null ? '' : __t) +'\n</div>\n<div class=\'prompt-footer\'></div>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/room-list-item.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape, __j = Array.prototype.join;function print() { __p += __j.call(arguments, '') }with (obj) {__p += '<li data-room-type=\'' +__e( type ) +'\' data-room-id=\'' +__e( id ) +'\' data-room-name=\'' +__e( name ) +'\'>\n<a href=\'#!\' class=\'clearfix '; if (isRoomOpen) { ;__p += ' highlight '; } ;__p += '\'>\n<span class=\'left\' title=\'' +__e( name ) +'\'>' +__e( name ) +'</span>\n</a>\n</li>';}return __p};

this["FirechatDefaultTemplates"]["templates/room-user-list-item.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape, __j = Array.prototype.join;function print() { __p += __j.call(arguments, '') }with (obj) {__p += '<li data-user-id=\'' +__e( id ) +'\' data-user-name=\'' +__e( name ) +'\'>\n<a href=\'#!\' class=\'clearfix\'>\n<span class=\'left twothird clipped\' title=\'' +__e( name ) +'\'>' +__e( name ) +'</span>'; if (!disableActions) { ;__p += '\n<span data-event=\'firechat-user-mute-toggle\' class=\'icon user-mute right '; if (isMuted) { ;__p += ' red '; } ;__p += '\' title=\'Toggle User Mute\'>&nbsp;</span>\n<span data-event=\'firechat-user-chat\' class=\'icon user-chat right\' title=\'Invite to Private Chat\'>&nbsp;</span>\n'; } ;__p += '\n</a>\n</li>';}return __p};

this["FirechatDefaultTemplates"]["templates/room-user-search-list-item.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape, __j = Array.prototype.join;function print() { __p += __j.call(arguments, '') }with (obj) {__p += '<li data-user-id=\'' +__e( id ) +'\' data-user-name=\'' +__e( name ) +'\'>\n<a href=\'#!\' class=\'clearfix\'>\n'; if (disableActions) { ;__p += '\n<span class=\'left fourfifth clipped\' title=\'' +__e( name ) +'\'>' +__e( name ) +'</span>\n'; } else { ;__p += '\n<span data-event=\'firechat-user-invite\' class=\'left fourfifth clipped\' title=\'' +__e( name ) +'\'>' +__e( name ) +'</span>\n<span data-event=\'firechat-user-invite\' class=\'icon plus right\' title=\'Invite to Room\'>+</span>\n'; } ;__p += '\n</a>\n</li>';}return __p};

this["FirechatDefaultTemplates"]["templates/tab-content.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<div id=\'' +__e( id ) +'\' data-room-id=\'' +__e( id ) +'\' class=\'tab-pane\'>\n<div class=\'tab-pane-menu clearfix\'><div class=\'firechat-dropdown twofifth\'>\n<a data-event=\'firechat-user-room-list-btn\' class=\'full btn firechat-dropdown-toggle\' data-toggle="firechat-dropdown" href=\'#\' data-target=\'firechat-room-user-list-' +__e( id ) +'\'>\n<span class=\'icon user-group\'></span>\nIn Room\n<span class=\'caret\'></span>\n</a>\n<div class=\'firechat-dropdown-menu\' role=\'menu\'>\n<ul id=\'firechat-room-user-list-' +__e( id ) +'\' class=\'full\'></ul>\n</div>\n</div><div class=\'firechat-dropdown twofifth\'>\n<a data-event=\'firechat-user-search-btn\' class=\'full btn firechat-dropdown-toggle\' data-toggle="firechat-dropdown" href=\'#\'>\n<span class=\'icon plus\'>+</span>\nInvite\n<span class=\'caret\'></span>\n</a><div class=\'firechat-dropdown-menu\' role=\'menu\'>\n<div class=\'firechat-dropdown-header aligncenter clearfix\'>\n<div class=\'search-wrapper\'>\n<span class=\'icon search\'></span>\n<input type=\'text\' data-event=\'firechat-user-search\' data-template=\'templates/room-user-search-list-item.html\' data-target=\'firechat-room-user-search-' +__e( id ) +'\' data-controls=\'firechat-room-user-search-controls-' +__e( id ) +'\' class=\'center fivesixth\'>\n</div>\n</div>\n<ul id=\'firechat-room-user-search-' +__e( id ) +'\'></ul><div class=\'firechat-dropdown-footer aligncenter clearfix\'>\n<div id=\'firechat-room-user-search-controls-' +__e( id ) +'\' class=\'clearfix\'><span class="quarter"></span>\n<!--\n<button type=\'button\' class=\'btn third disabled\' data-event=\'firechat-user-search\' data-template=\'templates/room-user-search-list-item.html\' data-target=\'firechat-room-user-search-' +__e( id ) +'\' data-controls=\'firechat-room-user-search-controls-' +__e( id ) +'\' data-toggle=\'firechat-pagination-prev\' disabled=disabled>Prev</button>\n-->\n<button type=\'button\' class=\'btn half disabled\' data-event=\'firechat-user-search\' data-template=\'templates/room-user-search-list-item.html\' data-target=\'firechat-room-user-search-' +__e( id ) +'\' data-controls=\'firechat-room-user-search-controls-' +__e( id ) +'\' data-toggle=\'firechat-pagination-next\'  disabled=disabled>Next</button>\n</div>\n</div>\n</div>\n</div><a href=\'#!\' data-event=\'firechat-close-tab\' class=\'icon close right\' style=\'15px 5px\' title=\'Leave Room\'></a></div><div class=\'clearfix\'>\n<div id=\'firechat-messages' +__e( id ) +'\' class=\'chat\'></div>\n</div><div class=\'clearfix\'>\n<label>Your message:</label>\n<textarea id=\'textarea' +__e( id ) +'\' placeholder=\'Type your message here...\'></textarea>\n</div>\n</div>';}return __p};

this["FirechatDefaultTemplates"]["templates/tab-menu-item.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape;with (obj) {__p += '<li data-room-id=\'' +__e( id ) +'\'>\n<a href=\'#' +__e( id ) +'\' data-toggle=\'firechat-tab\' title=\'' +__e( name ) +'\'>' +__e( name ) +'</a>\n</li>';}return __p};

this["FirechatDefaultTemplates"]["templates/user-search-list-item.html"] = function(obj) {obj || (obj = {});var __t, __p = '', __e = _.escape, __j = Array.prototype.join;function print() { __p += __j.call(arguments, '') }with (obj) {__p += '<li data-user-id=\'' +__e( id ) +'\' data-user-name=\'' +__e( name ) +'\'>\n<a href=\'#!\' class=\'clearfix\'>\n'; if (disableActions) { ;__p += '\n<span class=\'left fivesixth clipped\' title=\'' +__e( name ) +'\'>' +__e( name ) +'</span>\n'; } else { ;__p += '\n<span data-event=\'firechat-user-chat\' class=\'left fivesixth clipped\' title=\'' +__e( name ) +'\'>' +__e( name ) +'</span>\n<span data-event=\'firechat-user-chat\' class=\'icon user-chat right\' title=\'Invite to Private Chat\'>&nbsp;</span>\n'; } ;__p += '\n</a>\n</li>';}return __p};
(function($) {

    // Shim for Function.bind(...) - (Required by IE < 9, FF < 4, SF < 6)
    if (!Function.prototype.bind) {
        Function.prototype.bind = function(oThis) {
            if (typeof this !== "function") {
                throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
            }

            var aArgs = Array.prototype.slice.call(arguments, 1),
                fToBind = this,
                fNOP = function() {},
                fBound = function() {
                    return fToBind.apply(this instanceof fNOP && oThis ? this : oThis,
                        aArgs.concat(Array.prototype.slice.call(arguments)));
                };

            fNOP.prototype = this.prototype;
            fBound.prototype = new fNOP();
            return fBound;
        };
    }

    // Shim for Object.keys(...) - (Required by IE < 9, FF < 4)
    Object.keys = Object.keys || function(oObj) {
        var result = [];
        for (var name in oObj) {
            if (oObj.hasOwnProperty(name)) {
                result.push(name);
            }
        }
        return result;
    };

})();

// Firechat is a simple, easily-extensible data layer for multi-user,
// multi-room chat, built entirely on [Firebase](https://firebase.com).
//
// The Firechat object is the primary conduit for all underlying data events.
// It exposes a number of methods for binding event listeners, creating,
// entering, or leaving chat rooms, initiating chats, sending messages,
// and moderator actions such as warning, kicking, or suspending users.
//
//     Firechat.js 1.0.0
//     https://firebase.com
//     (c) 2014 Firebase
//     License: MIT

// Setup
// --------------
(function(Firebase) {

    // Establish a reference to the `window` object, and save the previous value
    // of the `Firechat` variable.
    var root = this,
        previousFirechat = root.Firechat;

    function Firechat(firebaseRef, options) {

        // Instantiate a new connection to Firebase.
        this._firebase = firebaseRef;

        // User-specific instance variables.
        this._user = null;
        this._userId = null;
        this._userName = null;
        this._isModerator = false;

        // A unique id generated for each session.
        this._sessionId = null;

        // A mapping of event IDs to an array of callbacks.
        this._events = {};

        // A mapping of room IDs to a boolean indicating presence.
        this._rooms = {};

        // A mapping of operations to re-queue on disconnect.
        this._presenceBits = {};

        // Commonly-used Firebase references.
        this._userRef        = null;
        this._messageRef     = this._firebase.child('room-messages');
        this._roomRef        = this._firebase.child('room-metadata');
        this._privateRoomRef = this._firebase.child('room-private-metadata');
        this._moderatorsRef  = this._firebase.child('moderators');
        this._suspensionsRef = this._firebase.child('suspensions');
        this._usersOnlineRef = this._firebase.child('user-names-online');

        // Setup and establish default options.
        this._options = options || {};

        // The number of historical messages to load per room.
        this._options.numMaxMessages = this._options.numMaxMessages || 50;
    }

    // Run Firechat in *noConflict* mode, returning the `Firechat` variable to
    // its previous owner, and returning a reference to the Firechat object.
    Firechat.noConflict = function noConflict() {
        root.Firechat = previousFirechat;
        return Firechat;
    };

    // Export the Firechat object as a global.
    root.Firechat = Firechat;

    // Firechat Internal Methods
    // --------------
    Firechat.prototype = {

        // Load the initial metadata for the user's account and set initial state.
        _loadUserMetadata: function(onComplete) {
            var self = this;

            // Update the user record with a default name on user's first visit.
            this._userRef.transaction(function(current) {
                if (!current || !current.id || !current.name) {
                    return {
                        id: self._userId,
                        name: self._userName
                    };
                }
            }, function(error, committed, snapshot) {
                self._user = snapshot.val();
                self._moderatorsRef.child(self._userId).once('value', function(snapshot) {
                    self._isModerator = !!snapshot.val();
                    root.setTimeout(onComplete, 0);
                });
            });
        },

        // Initialize Firebase listeners and callbacks for the supported bindings.
        _setupDataEvents: function() {
            // Monitor connection state so we can requeue disconnect operations if need be.
            this._firebase.root().child('.info/connected').on('value', function(snapshot) {
                if (snapshot.val() === true) {
                    // We're connected (or reconnected)! Set up our presence state.
                    for (var i = 0; i < this._presenceBits; i++) {
                        var op = this._presenceBits[i],
                            ref = this._firebase.root().child(op.ref);

                        ref.onDisconnect().set(op.offlineValue);
                        ref.set(op.onlineValue);
                    }
                }
            }, this);

            // Generate a unique session id for the visit.
            var sessionRef = this._userRef.child('sessions').push();
            this._sessionId = sessionRef.name();
            this._queuePresenceOperation(sessionRef, true, null);

            // Register our username in the public user listing.
            var usernameRef = this._usersOnlineRef.child(this._userName.toLowerCase());
            var usernameSessionRef = usernameRef.child(this._sessionId);
            this._queuePresenceOperation(usernameSessionRef, {
                id: this._userId,
                name: this._userName
            }, null);

            // Listen for state changes for the given user.
            this._userRef.on('value', this._onUpdateUser, this);

            // Listen for chat invitations from other users.
            this._userRef.child('invites').on('child_added', this._onFirechatInvite, this);

            // Listen for messages from moderators and adminstrators.
            this._userRef.child('notifications').on('child_added', this._onNotification, this);
        },

        // Append the new callback to our list of event handlers.
        _addEventCallback: function(eventId, callback) {
            this._events[eventId] = this._events[eventId] || [];
            this._events[eventId].push(callback);
        },

        // Retrieve the list of event handlers for a given event id.
        _getEventCallbacks: function(eventId) {
            if (this._events.hasOwnProperty(eventId)) {
                return this._events[eventId];
            }
            return [];
        },

        // Invoke each of the event handlers for a given event id with specified data.
        _invokeEventCallbacks: function(eventId) {
            var args = [],
                callbacks = this._getEventCallbacks(eventId);

            Array.prototype.push.apply(args, arguments);
            args = args.slice(1);

            for (var i = 0; i < callbacks.length; i += 1) {
                callbacks[i].apply(null, args);
            }
        },

        // Keep track of on-disconnect events so they can be requeued if we disconnect the reconnect.
        _queuePresenceOperation: function(ref, onlineValue, offlineValue) {
            ref.onDisconnect().set(offlineValue);
            ref.set(onlineValue);
            this._presenceBits[ref.toString()] = {
                ref: ref,
                onlineValue: onlineValue,
                offlineValue: offlineValue
            };
        },

        // Remove an on-disconnect event from firing upon future disconnect and reconnect.
        _removePresenceOperation: function(path, value) {
            var ref = new Firebase(path);
            ref.onDisconnect().cancel();
            ref.set(value);
            delete this._presenceBits[path];
        },

        // Event to monitor current user state.
        _onUpdateUser: function(snapshot) {
            this._user = snapshot.val();
            this._invokeEventCallbacks('user-update', this._user);
        },

        // Event to monitor current auth + user state.
        _onAuthRequired: function() {
            this._invokeEventCallbacks('auth-required');
        },

        // Events to monitor room entry / exit and messages additional / removal.
        _onEnterRoom: function(room) {
            this._invokeEventCallbacks('room-enter', room);
        },
        _onNewMessage: function(roomId, snapshot) {
            var message = snapshot.val();
            message.id = snapshot.name();
            this._invokeEventCallbacks('message-add', roomId, message);
        },
        _onRemoveMessage: function(roomId, snapshot) {
            var messageId = snapshot.name();
            this._invokeEventCallbacks('message-remove', roomId, messageId);
        },
        _onLeaveRoom: function(roomId) {
            this._invokeEventCallbacks('room-exit', roomId);
        },

        // Event to listen for notifications from administrators and moderators.
        _onNotification: function(snapshot) {
            var notification = snapshot.val();
            if (!notification.read) {
                if (notification.notificationType !== 'suspension' || notification.data.suspendedUntil < new Date().getTime()) {
                    snapshot.ref().child('read').set(true);
                }
                this._invokeEventCallbacks('notification', notification);
            }
        },

        // Events to monitor chat invitations and invitation replies.
        _onFirechatInvite: function(snapshot) {
            var self = this,
                invite = snapshot.val();

            // Skip invites we've already responded to.
            if (invite.status) {
                return;
            }

            invite.id = invite.id || snapshot.name();
            self.getRoom(invite.roomId, function(room) {
                invite.toRoomName = room.name;
                self._invokeEventCallbacks('room-invite', invite);
            });
        },
        _onFirechatInviteResponse: function(snapshot) {
            var self = this,
                invite = snapshot.val();

            invite.id = invite.id || snapshot.name();
            this._invokeEventCallbacks('room-invite-response', invite);
        }
    };

    // Firechat External Methods
    // --------------

    // Initialize the library and setup data listeners.
    Firechat.prototype.setUser = function(userId, userName, callback) {
        var self = this;

        self._firebase.root().child('.info/authenticated').on('value', function(snapshot) {
            var authenticated = snapshot.val();
            if (authenticated) {
                self._firebase.root().child('.info/authenticated').off();

                self._userId = userId.toString();
                self._userName = userName.toString();
                self._userRef = self._firebase.child('users').child(self._userId);
                self._loadUserMetadata(function() {
                    root.setTimeout(function() {
                        callback(self._user);
                        self._setupDataEvents();
                    }, 0);
                });
            } else {
                self.warn('Firechat requires an authenticated Firebase reference. Pass an authenticated reference before loading.');
            }
        });
    };

    // Resumes the previous session by automatically entering rooms.
    Firechat.prototype.resumeSession = function() {
        this._userRef.child('rooms').once('value', function(snapshot) {
            var rooms = snapshot.val();
            for (var roomId in rooms) {
                this.enterRoom(rooms[roomId].id);
            }
        }, /* onError */ function(){}, /* context */ this);
    };

    // Callback registration. Supports each of the following events:
    Firechat.prototype.on = function(eventType, cb) {
        this._addEventCallback(eventType, cb);
    };

    // Create and automatically enter a new chat room.
    Firechat.prototype.createRoom = function(roomName, roomType, callback) {
        var self = this,
            newRoomRef = this._roomRef.push();

        var newRoom = {
            id: newRoomRef.name(),
            name: roomName,
            type: roomType || 'public',
            createdByUserId: this._userId,
            createdAt: Firebase.ServerValue.TIMESTAMP
        };

        if (roomType === 'private') {
            newRoom.authorizedUsers = {};
            newRoom.authorizedUsers[this._userId] = true;
        }

        newRoomRef.set(newRoom, function(error) {
            if (!error) {
                self.enterRoom(newRoomRef.name());
            }
            if (callback) {
                callback(newRoomRef.name());
            }
        });
    };

    // Enter a chat room.
    Firechat.prototype.enterRoom = function(roomId) {
        var self = this;
        self.getRoom(roomId, function(room) {
            var roomName = room.name;

            if (!roomId || !roomName) return;

            // Skip if we're already in this room.
            if (self._rooms[roomId]) {
                return;
            }

            self._rooms[roomId] = true;

            if (self._user) {
                // Save entering this room to resume the session again later.
                self._userRef.child('rooms').child(roomId).set({
                    id: roomId,
                    name: roomName,
                    active: true
                });

                // Set presence bit for the room and queue it for removal on disconnect.
                var presenceRef = self._firebase.child('room-users').child(roomId).child(self._userId).child(self._sessionId);
                self._queuePresenceOperation(presenceRef, {
                    id: self._userId,
                    name: self._userName
                }, null);
            }

            // Invoke our callbacks before we start listening for new messages.
            self._onEnterRoom({ id: roomId, name: roomName });

            // Setup message listeners
            self._roomRef.child(roomId).once('value', function(snapshot) {
                self._messageRef.child(roomId).limit(self._options.numMaxMessages).on('child_added', function(snapshot) {
                    self._onNewMessage(roomId, snapshot);
                }, /* onCancel */ function() {
                    // Turns out we don't have permission to access these messages.
                    self.leaveRoom(roomId);
                }, /* context */ self);

                self._messageRef.child(roomId).limit(self._options.numMaxMessages).on('child_removed', function(snapshot) {
                    self._onRemoveMessage(roomId, snapshot);
                }, /* onCancel */ function(){}, /* context */ self);
            }, /* onFailure */ function(){}, self);
        });
    };

    // Leave a chat room.
    Firechat.prototype.leaveRoom = function(roomId) {
        var self = this,
            userRoomRef = self._firebase.child('room-users').child(roomId);

        // Remove listener for new messages to this room.
        self._messageRef.child(roomId).off();

        if (self._user) {
            var presenceRef = userRoomRef.child(self._userId).child(self._sessionId);

            // Remove presence bit for the room and cancel on-disconnect removal.
            self._removePresenceOperation(presenceRef.toString(), null);

            // Remove session bit for the room.
            self._userRef.child('rooms').child(roomId).remove();
        }

        delete self._rooms[roomId];

        // Invoke event callbacks for the room-exit event.
        self._onLeaveRoom(roomId);
    };

    Firechat.prototype.sendMessage = function(roomId, messageContent, messageType, cb) {
        var self = this,
            message = {
                userId: self._userId,
                name: self._userName,
                timestamp: Firebase.ServerValue.TIMESTAMP,
                message: messageContent,
                type: messageType || 'default'
            },
            newMessageRef;

        if (!self._user) {
            self._onAuthRequired();
            if (cb) {
                cb(new Error('Not authenticated or user not set!'));
            }
            return;
        }

        newMessageRef = self._messageRef.child(roomId).push();
        newMessageRef.setWithPriority(message, Firebase.ServerValue.TIMESTAMP, cb);
    };

    Firechat.prototype.deleteMessage = function(roomId, messageId, cb) {
        var self = this;

        self._messageRef.child(roomId).child(messageId).remove(cb);
    };

    // Mute or unmute a given user by id. This list will be stored internally and
    // all messages from the muted clients will be filtered client-side after
    // receipt of each new message.
    Firechat.prototype.toggleUserMute = function(userId, cb) {
        var self = this;

        if (!self._user) {
            self._onAuthRequired();
            if (cb) {
                cb(new Error('Not authenticated or user not set!'));
            }
            return;
        }

        self._userRef.child('muted').child(userId).transaction(function(isMuted) {
            return (isMuted) ? null : true;
        }, cb);
    };

    // Send a moderator notification to a specific user.
    Firechat.prototype.sendSuperuserNotification = function(userId, notificationType, data, cb) {
        var self = this,
            userNotificationsRef = self._firebase.child('users').child(userId).child('notifications');

        userNotificationsRef.push({
            fromUserId: self._userId,
            timestamp: Firebase.ServerValue.TIMESTAMP,
            notificationType: notificationType,
            data: data || {}
        }, cb);
    };

    // Warn a user for violating the terms of service or being abusive.
    Firechat.prototype.warnUser = function(userId) {
        var self = this;

        self.sendSuperuserNotification(userId, 'warning');
    };

    // Suspend a user by putting the user into read-only mode for a period.
    Firechat.prototype.suspendUser = function(userId, timeLengthSeconds, cb) {
        var self = this,
            suspendedUntil = new Date().getTime() + 1000*timeLengthSeconds;

        self._suspensionsRef.child(userId).set(suspendedUntil, function(error) {
            if (error && cb) {
                return cb(error);
            } else {
                self.sendSuperuserNotification(userId, 'suspension', {
                    suspendedUntil: suspendedUntil
                });
                return cb(null);
            }
        });
    };

    // Invite a user to a specific chat room.
    Firechat.prototype.inviteUser = function(userId, roomId) {
        var self = this,
            sendInvite = function() {
                var inviteRef = self._firebase.child('users').child(userId).child('invites').push();
                inviteRef.set({
                    id: inviteRef.name(),
                    fromUserId: self._userId,
                    fromUserName: self._userName,
                    roomId: roomId
                });

                // Handle listen unauth / failure in case we're kicked.
                inviteRef.on('value', self._onFirechatInviteResponse, function(){}, self);
            };

        if (!self._user) {
            self._onAuthRequired();
            return;
        }

        self.getRoom(roomId, function(room) {
            if (room.type === 'private') {
                var authorizedUserRef = self._roomRef.child(roomId).child('authorizedUsers');
                authorizedUserRef.child(userId).set(true, function(error) {
                    if (!error) {
                        sendInvite();
                    }
                });
            } else {
                sendInvite();
            }
        });
    };

    Firechat.prototype.acceptInvite = function(inviteId, cb) {
        var self = this;

        self._userRef.child('invites').child(inviteId).once('value', function(snapshot) {
            var invite = snapshot.val();
            if (invite === null && cb) {
                return cb(new Error('acceptInvite(' + inviteId + '): invalid invite id'));
            } else {
                self.enterRoom(invite.roomId);
                self._userRef.child('invites').child(inviteId).update({
                    'status': 'accepted',
                    'toUserName': self._userName
                }, cb);
            }
        }, self);
    };

    Firechat.prototype.declineInvite = function(inviteId, cb) {
        var self = this,
            updates = {
                'status': 'declined',
                'toUserName': self._userName
            };

        self._userRef.child('invites').child(inviteId).update(updates, cb);
    };

    Firechat.prototype.getRoomList = function(cb) {
        var self = this;

        self._roomRef.once('value', function(snapshot) {
            cb(snapshot.val());
        });
    };

    Firechat.prototype.getUsersByRoom = function() {
        var self = this,
            roomId = arguments[0],
            query = self._firebase.child('room-users').child(roomId),
            cb = arguments[arguments.length - 1],
            limit = null;

        if (arguments.length > 2) {
            limit = arguments[1];
        }

        query = (limit) ? query.limit(limit) : query;

        query.once('value', function(snapshot) {
            var usernames = snapshot.val() || {},
                usernamesUnique = {};

            for (var username in usernames) {
                for (var session in usernames[username]) {
                    // Skip all other sessions for this user as we only need one.
                    usernamesUnique[username] = usernames[username][session];
                    break;
                }
            }

            root.setTimeout(function() {
                cb(usernamesUnique);
            }, 0);
        });
    };

    Firechat.prototype.getUsersByPrefix = function(prefix, startAt, endAt, limit, cb) {
        var self = this,
            query = this._usersOnlineRef,
            prefixLower = prefix.toLowerCase();

        if (startAt) {
            query = query.startAt(null, startAt);
        } else if (endAt) {
            query = query.endAt(null, endAt);
        } else {
            query = (prefixLower) ? query.startAt(null, prefixLower) : query.startAt();
        }

        query = (limit) ? query.limit(limit) : query;

        query.once('value', function(snapshot) {
            var usernames = snapshot.val() || {},
                usernamesFiltered = {};

            for (var userNameKey in usernames) {
                var sessions = usernames[userNameKey],
                    userName, userId, usernameClean;

                // Grab the user data from the first registered active session.
                for (var sessionId in sessions) {
                    userName = sessions[sessionId].name;
                    userId = sessions[sessionId].id;

                    // Skip all other sessions for this user as we only need one.
                    break;
                }

                // Filter out any usernames that don't match our prefix and break.
                if ((prefix.length > 0) && (userName.toLowerCase().indexOf(prefixLower) !== 0))
                    continue;

                usernamesFiltered[userName] = {
                    name: userName,
                    id: userId
                };
            }

            root.setTimeout(function() {
                cb(usernamesFiltered);
            }, 0);
        });
    };

    // Miscellaneous helper methods.
    Firechat.prototype.getRoom = function(roomId, callback) {
        this._roomRef.child(roomId).once('value', function(snapshot) {
            callback(snapshot.val());
        });
    };

    Firechat.prototype.userIsModerator = function() {
        return this._isModerator;
    };

    Firechat.prototype.warn = function(msg) {
        if (console) {
            msg = 'Firechat Warning: ' + msg;
            if (typeof console.warn === 'function') {
                console.warn(msg);
            } else if (typeof console.log === 'function') {
                console.log(msg);
            }
        }
    };
})(Firebase);
(function($) {


    if (!$ || (parseInt($().jquery.replace(/\./g, ""), 10) < 170)) {
        throw new Error("jQuery 1.7 or later required!");
    }

    var root = this,
        previousFirechatUI = root.FirechatUI;

    root.FirechatUI = FirechatUI;

    if (!self.FirechatDefaultTemplates) {
        throw new Error("Unable to find chat templates!");
    }

    function FirechatUI(firebaseRef, el, options) {
        var self = this;

        if (!firebaseRef) {
            throw new Error('FirechatUI: Missing required argument `firebaseRef`');
        }

        if (!el) {
            throw new Error('FirechatUI: Missing required argument `el`');
        }

        options = options || {};
        this._options = options;

        this._el = el;
        this._user = null;
        this._chat = new Firechat(firebaseRef, options);

        // A list of rooms to enter once we've made room for them (once we've hit the max room limit).
        this._roomQueue = [];

        // Define some constants regarding maximum lengths, client-enforced.
        this.maxLengthUsername = 15;
        this.maxLengthUsernameDisplay = 15;
        this.maxLengthRoomName = 24;
        this.maxLengthMessage = 120;
        this.maxUserSearchResults = 100;

        // Define some useful regexes.
        this.urlPattern = /\b(?:https?|ftp):\/\/[a-z0-9-+&@#\/%?=~_|!:,.;]*[a-z0-9-+&@#\/%=~_|]/gim;
        this.pseudoUrlPattern = /(^|[^\/])(www\.[\S]+(\b|$))/gim;

        this._renderLayout();

        // Grab shortcuts to commonly used jQuery elements.
        this.$wrapper = $('#firechat');
        this.$roomList = $('#firechat-room-list');
        this.$tabList = $('#firechat-tab-list');
        this.$tabContent = $('#firechat-tab-content');
        this.$messages = {};

        // Rate limit messages from a given user with some defaults.
        this.$rateLimit = {
            limitCount: 10,         // max number of events
            limitInterval: 10000,   // max interval for above count in milliseconds
            limitWaitTime: 30000,   // wait time if a user hits the wait limit
            history: {}
        };

        // Setup UI bindings for chat controls.
        this._bindUIEvents();

        // Setup bindings to internal methods
        this._bindDataEvents();
    }

    // Run FirechatUI in *noConflict* mode, returning the `FirechatUI` variable to
    // its previous owner, and returning a reference to the FirechatUI object.
    FirechatUI.noConflict = function noConflict() {
        root.FirechatUI = previousFirechatUI;
        return FirechatUI;
    };

    FirechatUI.prototype = {

        _bindUIEvents: function() {
            // Chat-specific custom interactions and functionality.
            this._bindForHeightChange();
            this._bindForTabControls();
            this._bindForRoomList();
            this._bindForUserRoomList();
            this._bindForUserSearch();
            this._bindForUserMuting();
            this._bindForChatInvites();
            this._bindForRoomListing();

            // Generic, non-chat-specific interactive elements.
            this._setupTabs();
            this._setupDropdowns();
            this._bindTextInputFieldLimits();
        },

        _bindDataEvents: function() {
            this._chat.on('user-update', this._onUpdateUser.bind(this));

            // Bind events for new messages, enter / leaving rooms, and user metadata.
            this._chat.on('room-enter', this._onEnterRoom.bind(this));
            this._chat.on('room-exit', this._onLeaveRoom.bind(this));
            this._chat.on('message-add', this._onNewMessage.bind(this));
            this._chat.on('message-remove', this._onRemoveMessage.bind(this));

            // Bind events related to chat invitations.
            this._chat.on('room-invite', this._onChatInvite.bind(this));
            this._chat.on('room-invite-response', this._onChatInviteResponse.bind(this));

            // Binds events related to admin or moderator notifications.
            this._chat.on('notification', this._onNotification.bind(this));
        },

        _renderLayout: function() {
            var template = FirechatDefaultTemplates["templates/layout-full.html"];
            $(this._el).html(template({
                maxLengthUsername: this.maxLengthUsername
            }));
        },

        _onUpdateUser: function(user) {
            // Update our current user state and render latest user name.
            this._user = user;

            // Update our interface to reflect which users are muted or not.
            var mutedUsers = this._user.muted || {};
            $('[data-event="firechat-user-mute-toggle"]').each(function(i, el) {
                var userId = $(this).closest('[data-user-id]').data('user-id');
                $(this).toggleClass('red', !!mutedUsers[userId]);
            });

            // Ensure that all messages from muted users are removed.
            for (var userId in mutedUsers) {
                $('.message[data-user-id="' + userId + '"]').fadeOut();
            }
        },

        _onEnterRoom: function(room) {
            this.attachTab(room.id, room.name);
        },
        _onLeaveRoom: function(roomId) {
            this.removeTab(roomId);

            // Auto-enter rooms in the queue
            if ((this._roomQueue.length > 0)) {
                this._chat.enterRoom(this._roomQueue.shift(roomId));
            }
        },
        _onNewMessage: function(roomId, message) {
            var userId = message.userId;
            if (!this._user || !this._user.muted || !this._user.muted[userId]) {
                this.showMessage(roomId, message);
            }
        },
        _onRemoveMessage: function(roomId, messageId) {
            this.removeMessage(roomId, messageId);
        },

        // Events related to chat invitations.
        _onChatInvite: function(invitation) {
            var self = this;
            var template = FirechatDefaultTemplates["templates/prompt-invitation.html"];
            var $prompt = this.prompt('Invite', template(invitation));
            $prompt.find('a.close').click(function() {
                $prompt.remove();
                self._chat.declineInvite(invitation.id);
                return false;
            });

            $prompt.find('[data-toggle=accept]').click(function() {
                $prompt.remove();
                self._chat.acceptInvite(invitation.id);
                return false;
            });

            $prompt.find('[data-toggle=decline]').click(function() {
                $prompt.remove();
                self._chat.declineInvite(invitation.id);
                return false;
            });
        },
        _onChatInviteResponse: function(invitation) {
            if (!invitation.status) return;

            var self = this,
                template = FirechatDefaultTemplates["templates/prompt-invite-reply.html"],
                $prompt;

            if (invitation.status && invitation.status === 'accepted') {
                $prompt = this.prompt('Accepted', template(invitation));
                this._chat.getRoom(invitation.roomId, function(room) {
                    self.attachTab(invitation.roomId, room.name);
                });
            } else {
                $prompt = this.prompt('Declined', template(invitation));
            }

            $prompt.find('a.close').click(function() {
                $prompt.remove();
                return false;
            });
        },

        // Events related to admin or moderator notifications.
        _onNotification: function(notification) {
            if (notification.notificationType === 'warning') {
                this.renderAlertPrompt('Warning', 'You are being warned for inappropriate messaging. Further violation may result in temporary or permanent ban of service.');
            } else if (notification.notificationType === 'suspension') {
                var suspendedUntil = notification.data.suspendedUntil,
                    secondsLeft = Math.round((suspendedUntil - new Date().getTime()) / 1000),
                    timeLeft = '';

                if (secondsLeft > 0) {
                    if (secondsLeft > 2*3600) {
                        var hours = Math.floor(secondsLeft / 3600);
                        timeLeft = hours + ' hours, ';
                        secondsLeft -= 3600*hours;
                    }
                    timeLeft += Math.floor(secondsLeft / 60) + ' minutes';
                    this.renderAlertPrompt('Suspended', 'A moderator has suspended you for violating site rules. You cannot send messages for another ' + timeLeft + '.');
                }
            }
        }
    };

    /**
     * Initialize an authenticated session with a user id and name.
     * This method assumes that the underlying Firebase reference has
     * already been authenticated.
     */
    FirechatUI.prototype.setUser = function(userId, userName) {
        var self = this;

        // Initialize data events
        self._chat.setUser(userId, userName, function(user) {
            self._user = user;

            if (self._chat.userIsModerator()) {
                self._bindSuperuserUIEvents();
            }

            self._chat.resumeSession();
        });
    };

    /**
     * Exposes internal chat bindings via this external interface.
     */
    FirechatUI.prototype.on = function(eventType, cb) {
        var self = this;

        this._chat.on(eventType, cb);
    };

    /**
     * Binds a custom context menu to messages for superusers to warn or ban
     * users for violating terms of service.
     */
    FirechatUI.prototype._bindSuperuserUIEvents = function() {
        var self = this,
            parseMessageVars = function(event) {
                var $this = $(this),
                    messageId = $this.closest('[data-message-id]').data('message-id'),
                    userId = $('[data-message-id="' + messageId + '"]').closest('[data-user-id]').data('user-id'),
                    roomId = $('[data-message-id="' + messageId + '"]').closest('[data-room-id]').data('room-id');

                return { messageId: messageId, userId: userId, roomId: roomId };
            },
            clearMessageContextMenus = function() {
                // Remove any context menus currently showing.
                $('[data-toggle="firechat-contextmenu"]').each(function() {
                    $(this).remove();
                });

                // Remove any messages currently highlighted.
                $('#firechat .message.highlighted').each(function() {
                    $(this).removeClass('highlighted');
                });
            },
            showMessageContextMenu = function(event) {
                var $this = $(this),
                    $message = $this.closest('[data-message-id]'),
                    template = FirechatDefaultTemplates["templates/message-context-menu.html"],
                    messageVars = parseMessageVars.call(this, event),
                    $template;

                event.preventDefault();

                // Clear existing menus.
                clearMessageContextMenus();

                // Highlight the relevant message.
                $this.addClass('highlighted');

                self._chat.getRoom(messageVars.roomId, function(room) {
                    // Show the context menu.
                    $template = $(template({
                        id: $message.data('message-id')
                    }));
                    $template.css({
                        left: event.clientX,
                        top: event.clientY
                    }).appendTo(self.$wrapper);
                });
            };

        // Handle dismissal of message context menus (any non-right-click click event).
        $(document).bind('click', { self: this }, function(event) {
            if (!event.button || event.button != 2) {
                clearMessageContextMenus();
            }
        });

        // Handle display of message context menus (via right-click on a message).
        $(document).delegate('[data-class="firechat-message"]', 'contextmenu', showMessageContextMenu);

        // Handle click of the 'Warn User' contextmenu item.
        $(document).delegate('[data-event="firechat-user-warn"]', 'click', function(event) {
            var messageVars = parseMessageVars.call(this, event);
            self._chat.warnUser(messageVars.userId);
        });

        // Handle click of the 'Suspend User (1 Hour)' contextmenu item.
        $(document).delegate('[data-event="firechat-user-suspend-hour"]', 'click', function(event) {
            var messageVars = parseMessageVars.call(this, event);
            self._chat.suspendUser(messageVars.userId, /* 1 Hour = 3600s */ 60*60);
        });

        // Handle click of the 'Suspend User (1 Day)' contextmenu item.
        $(document).delegate('[data-event="firechat-user-suspend-day"]', 'click', function(event) {
            var messageVars = parseMessageVars.call(this, event);
            self._chat.suspendUser(messageVars.userId, /* 1 Day = 86400s */ 24*60*60);
        });

        // Handle click of the 'Delete Message' contextmenu item.
        $(document).delegate('[data-event="firechat-message-delete"]', 'click', function(event) {
            var messageVars = parseMessageVars.call(this, event);
            self._chat.deleteMessage(messageVars.roomId, messageVars.messageId);
        });
    };

    /**
     * Binds to height changes in the surrounding div.
     */
    FirechatUI.prototype._bindForHeightChange = function() {
        var self = this,
            $el = $(this._el),
            lastHeight = null;

        setInterval(function() {
            var height = $el.height();
            if (height != lastHeight) {
                lastHeight = height;
                $('.chat').each(function(i, el) {

                });
            }
        }, 500);
    };

    /**
     * Binds custom inner-tab events.
     */
    FirechatUI.prototype._bindForTabControls = function() {
        var self = this;

        // Handle click of tab close button.
        $(document).delegate('[data-event="firechat-close-tab"]', 'click', function(event) {
            var roomId = $(this).closest('[data-room-id]').data('room-id');
            self._chat.leaveRoom(roomId);
            return false;
        });
    };

    /**
     * Binds room list dropdown to populate room list on-demand.
     */
    FirechatUI.prototype._bindForRoomList = function() {
        var self = this;

        $('#firechat-btn-rooms').bind('click', function() {
            if ($(this).parent().hasClass('open')) {
                return;
            }

            var $this = $(this),
                template = FirechatDefaultTemplates["templates/room-list-item.html"],
                selectRoomListItem = function() {
                    var parent = $(this).parent(),
                        roomId = parent.data('room-id'),
                        roomName = parent.data('room-name');

                    if (self.$messages[roomId]) {
                        self.focusTab(roomId);
                    } else {
                        self._chat.enterRoom(roomId, roomName);
                    }
                    return false;
                };

            self._chat.getRoomList(function(rooms) {
                self.$roomList.empty();
                for (var roomId in rooms) {
                    var room = rooms[roomId];
                    if (room.type != "public") continue;
                    room.isRoomOpen = !!self.$messages[room.id];
                    var $roomItem = $(template(room));
                    $roomItem.children('a').bind('click', selectRoomListItem);
                    self.$roomList.append($roomItem.toggle(true));
                }
            });
        });
    };

    /**
     * Binds user list dropdown per room to populate user list on-demand.
     */
    FirechatUI.prototype._bindForUserRoomList = function() {
        var self = this;

        // Upon click of the dropdown, autofocus the input field and trigger list population.
        $(document).delegate('[data-event="firechat-user-room-list-btn"]', 'click', function(event) {
            event.stopPropagation();

            var $this = $(this),
                roomId = $this.closest('[data-room-id]').data('room-id'),
                template = FirechatDefaultTemplates["templates/room-user-list-item.html"],
                targetId = $this.data('target'),
                $target = $('#' + targetId);

            $target.empty();
            self._chat.getUsersByRoom(roomId, function(users) {
                for (var username in users) {
                    user = users[username];
                    user.disableActions = (!self._user || user.id === self._user.id);
                    user.nameTrimmed = self.trimWithEllipsis(user.name, self.maxLengthUsernameDisplay);
                    user.isMuted = (self._user && self._user.muted && self._user.muted[user.id]);
                    $target.append($(template(user)));
                }
                self.sortListLexicographically('#' + targetId);
            });
        });
    };

    /**
     * Binds user search buttons, dropdowns, and input fields for searching all
     * active users currently in chat.
     */
    FirechatUI.prototype._bindForUserSearch = function() {
        var self = this,
            handleUserSearchSubmit = function(event) {
                var $this = $(this),
                    targetId = $this.data('target'),
                    controlsId = $this.data('controls'),
                    templateId = $this.data('template'),
                    prefix = $this.val() || $this.data('prefix') || '',
                    startAt = $this.data('startAt') || null,
                    endAt = $this.data('endAt') || null;

                event.preventDefault();

                userSearch(targetId, templateId, controlsId, prefix, startAt, endAt);
            },
            userSearch = function(targetId, templateId, controlsId, prefix, startAt, endAt) {
                var $target = $('#' + targetId),
                    $controls = $('#' + controlsId),
                    template = FirechatDefaultTemplates[templateId];

                // Query results, filtered by prefix, using the defined startAt and endAt markets.
                self._chat.getUsersByPrefix(prefix, startAt, endAt, self.maxUserSearchResults, function(users) {
                    var numResults = 0,
                        $prevBtn, $nextBtn, username, firstResult, lastResult;

                    $target.empty();

                    for (username in users) {
                        var user = users[username];

                        // Disable buttons for <me>.
                        user.disableActions = (!self._user || user.id === self._user.id);

                        numResults += 1;

                        $target.append(template(user));

                        // If we've hit our result limit, the additional value signifies we should paginate.
                        if (numResults === 1) {
                            firstResult = user.name.toLowerCase();
                        } else if (numResults >= self.maxUserSearchResults) {
                            lastResult = user.name.toLowerCase();
                            break;
                        }
                    }

                    if ($controls) {
                        $prevBtn = $controls.find('[data-toggle="firechat-pagination-prev"]');
                        $nextBtn = $controls.find('[data-toggle="firechat-pagination-next"]');

                        // Sort out configuration for the 'next' button
                        if (lastResult) {
                            $nextBtn
                                .data('event', 'firechat-user-search')
                                .data('startAt', lastResult)
                                .data('prefix', prefix)
                                .removeClass('disabled').removeAttr('disabled');
                        } else {
                            $nextBtn
                                .data('event', null)
                                .data('startAt', null)
                                .data('prefix', null)
                                .addClass('disabled').attr('disabled', 'disabled');
                        }
                    }
                });
            };

        $(document).delegate('[data-event="firechat-user-search"]', 'keyup', handleUserSearchSubmit);
        $(document).delegate('[data-event="firechat-user-search"]', 'click', handleUserSearchSubmit);

        // Upon click of the dropdown, autofocus the input field and trigger list population.
        $(document).delegate('[data-event="firechat-user-search-btn"]', 'click', function(event) {
            event.stopPropagation();
            var $input = $(this).next('div.firechat-dropdown-menu').find('input');
            $input.focus();
            $input.trigger(jQuery.Event('keyup'));
        });

        // Ensure that the dropdown stays open despite clicking on the input element.
        $(document).delegate('[data-event="firechat-user-search"]', 'click', function(event) {
            event.stopPropagation();
        });
    };

    /**
     * Binds user mute toggles and removes all messages for a given user upon mute.
     */
    FirechatUI.prototype._bindForUserMuting = function() {
        var self = this;
        $(document).delegate('[data-event="firechat-user-mute-toggle"]', 'click', function(event) {
            var $this = $(this),
                userId = $this.closest('[data-user-id]').data('user-id'),
                userName = $this.closest('[data-user-name]').data('user-name'),
                isMuted = $this.hasClass('red'),
                template = FirechatDefaultTemplates["templates/prompt-user-mute.html"];

            event.preventDefault();

            // Require user confirmation for muting.
            if (!isMuted) {
                var $prompt = self.prompt('Mute User?', template({
                    userName: userName
                }));

                $prompt.find('a.close').first().click(function() {
                    $prompt.remove();
                    return false;
                });

                $prompt.find('[data-toggle=decline]').first().click(function() {
                    $prompt.remove();
                    return false;
                });

                $prompt.find('[data-toggle=accept]').first().click(function() {
                    self._chat.toggleUserMute(userId);
                    $prompt.remove();
                    return false;
                });
            } else {
                self._chat.toggleUserMute(userId);
            }
        });
    };

    /**
     * Binds to elements with the data-event='firechat-user-(private)-invite' and
     * handles invitations as well as room creation and entering.
     */
    FirechatUI.prototype._bindForChatInvites = function() {
        var self = this,
            renderInvitePrompt = function(event) {
                var $this = $(this),
                    userId = $this.closest('[data-user-id]').data('user-id'),
                    roomId = $this.closest('[data-room-id]').data('room-id'),
                    userName = $this.closest('[data-user-name]').data('user-name'),
                    template = FirechatDefaultTemplates["templates/prompt-invite-private.html"],
                    $prompt;

                self._chat.getRoom(roomId, function(room) {
                    $prompt = self.prompt('Invite', template({
                        userName: userName,
                        roomName: room.name
                    }));

                    $prompt.find('a.close').click(function() {
                        $prompt.remove();
                        return false;
                    });

                    $prompt.find('[data-toggle=decline]').click(function() {
                        $prompt.remove();
                        return false;
                    });

                    $prompt.find('[data-toggle=accept]').first().click(function() {
                        $prompt.remove();
                        self._chat.inviteUser(userId, roomId, room.name);
                        return false;
                    });
                    return false;
                });
                return false;
            },
            renderPrivateInvitePrompt = function(event) {
                var $this = $(this),
                    userId = $this.closest('[data-user-id]').data('user-id'),
                    userName = $this.closest('[data-user-name]').data('user-name'),
                    template = FirechatDefaultTemplates["templates/prompt-invite-private.html"],
                    $prompt;

                if (userId && userName) {
                    $prompt = self.prompt('Private Invite', template({
                        userName: userName,
                        roomName: 'Private Chat'
                    }));

                    $prompt.find('a.close').click(function() {
                        $prompt.remove();
                        return false;
                    });

                    $prompt.find('[data-toggle=decline]').click(function() {
                        $prompt.remove();
                        return false;
                    });

                    $prompt.find('[data-toggle=accept]').first().click(function() {
                        $prompt.remove();
                        var roomName = 'Private Chat';
                        self._chat.createRoom(roomName, 'private', function(roomId) {
                            self._chat.inviteUser(userId, roomId, roomName);
                        });
                        return false;
                    });
                }
                return false;
            };

        $(document).delegate('[data-event="firechat-user-chat"]', 'click', renderPrivateInvitePrompt);
        $(document).delegate('[data-event="firechat-user-invite"]', 'click', renderInvitePrompt);
    };

    /**
     * Binds to room dropdown button, menu items, and create room button.
     */
    FirechatUI.prototype._bindForRoomListing = function() {
        var self = this,
            $createRoomPromptButton = $('#firechat-btn-create-room-prompt'),
            $createRoomButton = $('#firechat-btn-create-room'),
            renderRoomList = function(event) {
                var type = $(this).data('room-type');

                self.sortListLexicographically('#firechat-room-list');
            };

        // Handle click of the create new room prompt-button.
        $createRoomPromptButton.bind('click', function(event) {
            self.promptCreateRoom();
            return false;
        });

        // Handle click of the create new room button.
        $createRoomButton.bind('click', function(event) {
            var roomName = $('#firechat-input-room-name').val();
            $('#firechat-prompt-create-room').remove();
            self._chat.createRoom(roomName);
            return false;
        });
    };

    /**
     * A stripped-down version of bootstrap-tab.js.
     *
     * Original bootstrap-tab.js Copyright 2012 Twitter, Inc.,licensed under the Apache v2.0
     */
    FirechatUI.prototype._setupTabs = function() {
        var self = this,
            show = function($el) {
                var $this = $el,
                    $ul = $this.closest('ul:not(.firechat-dropdown-menu)'),
                    selector = $this.attr('data-target'),
                    previous = $ul.find('.active:last a')[0],
                    $target,
                    e;

                if (!selector) {
                    selector = $this.attr('href');
                    selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '');
                }

                if ($this.parent('li').hasClass('active')) return;

                e = $.Event('show', { relatedTarget: previous });

                $this.trigger(e);

                if (e.isDefaultPrevented()) return;

                $target = $(selector);

                activate($this.parent('li'), $ul);
                activate($target, $target.parent(), function () {
                    $this.trigger({
                        type: 'shown',
                        relatedTarget: previous
                    });
                });
            },
            activate = function (element, container, callback) {
                var $active = container.find('> .active'),
                    transition = callback && $.support.transition && $active.hasClass('fade');

                function next() {
                    $active
                        .removeClass('active')
                        .find('> .firechat-dropdown-menu > .active')
                        .removeClass('active');

                    element.addClass('active');

                    if (transition) {
                        element.addClass('in');
                    } else {
                        element.removeClass('fade');
                    }

                    if (element.parent('.firechat-dropdown-menu')) {
                        element.closest('li.firechat-dropdown').addClass('active');
                    }

                    if (callback) {
                        callback();
                    }
                }

                if (transition) {
                    $active.one($.support.transition.end, next);
                } else {
                    next();
                }

                $active.removeClass('in');
            };

        $(document).delegate('[data-toggle="firechat-tab"]', 'click', function(event) {
            event.preventDefault();
            show($(this));
        });
    };

    /**
     * A stripped-down version of bootstrap-dropdown.js.
     *
     * Original bootstrap-dropdown.js Copyright 2012 Twitter, Inc., licensed under the Apache v2.0
     */
    FirechatUI.prototype._setupDropdowns = function() {
        var self = this,
            toggle = '[data-toggle=firechat-dropdown]',
            toggleDropdown = function(event) {
                var $this = $(this),
                    $parent = getParent($this),
                    isActive = $parent.hasClass('open');

                if ($this.is('.disabled, :disabled')) return;

                clearMenus();

                if (!isActive) {
                    $parent.toggleClass('open');
                }

                $this.focus();

                return false;
            },
            clearMenus = function() {
                $('[data-toggle=firechat-dropdown]').each(function() {
                    getParent($(this)).removeClass('open');
                });
            },
            getParent = function($this) {
                var selector = $this.attr('data-target'),
                    $parent;

                if (!selector) {
                    selector = $this.attr('href');
                    selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '');
                }

                $parent = selector && $(selector);

                if (!$parent || !$parent.length) $parent = $this.parent();

                return $parent;
            };

        $(document)
            .bind('click', clearMenus)
            .delegate('.firechat-dropdown-menu', 'click', function(event) { event.stopPropagation(); })
            .delegate('[data-toggle=firechat-dropdown]', 'click', toggleDropdown);
    };

    /**
     * Binds to any text input fields with data-provide='limit' and
     * data-counter='<selector>', and upon value change updates the selector
     * content to reflect the number of characters remaining, as the 'maxlength'
     * attribute less the current value length.
     */
    FirechatUI.prototype._bindTextInputFieldLimits = function() {
        $('body').delegate('input[data-provide="limit"], textarea[data-provide="limit"]', 'keyup', function(event) {
            var $this = $(this),
                $target = $($this.data('counter')),
                limit = $this.attr('maxlength'),
                count = $this.val().length;

            $target.html(Math.max(0, limit - count));
        });
    };

    /**
     * Given a title and message content, show an alert prompt to the user.
     *
     * @param    {string}    title
     * @param    {string}    message
     */
    FirechatUI.prototype.renderAlertPrompt = function(title, message) {
        var template = FirechatDefaultTemplates["templates/prompt-alert.html"],
            $prompt = this.prompt(title, template({ message: message }));

        $prompt.find('.close').click(function() {
            $prompt.remove();
            return false;
        });
        return;
    };

    /**
     * Toggle input field s if we want limit / unlimit input fields.
     */
    FirechatUI.prototype.toggleInputs = function(isEnabled) {
        $('#firechat-tab-content textarea').each(function() {
            var $this = $(this);
            if (isEnabled) {
                $(this).val('');
            } else {
                $(this).val('You have exceeded the message limit, please wait before sending.');
            }
            $this.prop('disabled', !isEnabled);
        });
        $('#firechat-input-name').prop('disabled', !isEnabled);
    };

    /**
     * Given a room id and name, attach the tab to the interface and setup events.
     *
     * @param    {string}    roomId
     * @param    {string}    roomName
     */
    FirechatUI.prototype.attachTab = function(roomId, roomName) {
        var self = this;

        // If this tab already exists, give it focus.
        if (this.$messages[roomId]) {
            this.focusTab(roomId);
            return;
        }

        var room = {
            id: roomId,
            name: roomName
        };

        // Populate and render the tab content template.
        var tabTemplate = FirechatDefaultTemplates["templates/tab-content.html"];
        var $tabContent = $(tabTemplate(room));
        this.$tabContent.prepend($tabContent);
        var $messages = $('#firechat-messages' + roomId);

        // Keep a reference to the message listing for later use.
        this.$messages[roomId] = $messages;

        // Attach on-enter event to textarea.
        var $textarea = $tabContent.find('textarea').first();
        $textarea.bind('keydown', function(e) {
            var message = self.trimWithEllipsis($textarea.val(), self.maxLengthMessage);
            if ((e.which === 13) && (message !== '')) {
                $textarea.val('');
                self._chat.sendMessage(roomId, message);
                return false;
            }
        });

        // Populate and render the tab menu template.
        var tabListTemplate = FirechatDefaultTemplates["templates/tab-menu-item.html"];
        var $tab = $(tabListTemplate(room));
        this.$tabList.prepend($tab);

        // Attach on-shown event to move tab to front and scroll to bottom.
        $tab.bind('shown', function(event) {
            $messages.scrollTop($messages[0].scrollHeight);
        });

        // Dynamically update the width of each tab based upon the number open.
        var tabs = this.$tabList.children('li');
        var tabWidth = Math.floor($('#firechat-tab-list').width() / tabs.length);
        this.$tabList.children('li').css('width', tabWidth);

        // Update the room listing to reflect that we're now in the room.
        this.$roomList.children('[data-room-id=' + roomId + ']').children('a').addClass('highlight');

        // Sort each item in the user list alphabetically on click of the dropdown.
        $('#firechat-btn-room-user-list-' + roomId).bind('click', function() {
            self.sortListLexicographically('#firechat-room-user-list-' + roomId);
            return false;
        });

        // Automatically select the new tab.
        this.focusTab(roomId);
    };

    /**
     * Given a room id, focus the given tab.
     *
     * @param    {string}    roomId
     */
    FirechatUI.prototype.focusTab = function(roomId) {
        if (this.$messages[roomId]) {
            var $tabLink = this.$tabList.find('[data-room-id=' + roomId + ']').find('a');
            if ($tabLink.length) {
                $tabLink.first().trigger('click');
            }
        }
    };

    /**
     * Given a room id, remove the tab and all child elements from the interface.
     *
     * @param    {string}    roomId
     */
    FirechatUI.prototype.removeTab = function(roomId) {
        delete this.$messages[roomId];

        // Remove the inner tab content.
        this.$tabContent.find('[data-room-id=' + roomId + ']').remove();

        // Remove the tab from the navigation menu.
        this.$tabList.find('[data-room-id=' + roomId + ']').remove();

        // Dynamically update the width of each tab based upon the number open.
        var tabs = this.$tabList.children('li');
        var tabWidth = Math.floor($('#firechat-tab-list').width() / tabs.length);
        this.$tabList.children('li').css('width', tabWidth);

        // Automatically select the next tab if there is one.
        this.$tabList.find('[data-toggle="firechat-tab"]').first().trigger('click');

        // Update the room listing to reflect that we're now in the room.
        this.$roomList.children('[data-room-id=' + roomId + ']').children('a').removeClass('highlight');
    };

    /**
     * Render a new message in the specified chat room.
     *
     * @param    {string}    roomId
     * @param    {string}    message
     */
    FirechatUI.prototype.showMessage = function(roomId, rawMessage) {
        var self = this;

        // Setup defaults
        var message = {
            id              : rawMessage.id,
            localtime       : self.formatTime(rawMessage.timestamp),
            message         : rawMessage.message || '',
            userId          : rawMessage.userId,
            name            : rawMessage.name,
            type            : rawMessage.type || 'default',
            isSelfMessage   : (self._user && rawMessage.userId == self._user.id),
            disableActions  : (!self._user || rawMessage.userId == self._user.id)
        };

        // While other data is escaped in the Underscore.js templates, escape and
        // process the message content here to add additional functionality (add links).
        // Also trim the message length to some client-defined maximum.
        var messageConstructed = '';
        message.message = _.map(message.message.split(' '), function(token) {
            if (self.urlPattern.test(token) || self.pseudoUrlPattern.test(token)) {
                return self.linkify(encodeURI(token));
            } else {
                return _.escape(token);
            }
        }).join(' ');
        message.message = self.trimWithEllipsis(message.message, self.maxLengthMessage);

        // Populate and render the message template.
        var template = FirechatDefaultTemplates["templates/message.html"];
        var $message = $(template(message));
        var $messages = self.$messages[roomId];
        if ($messages) {

            var scrollToBottom = false;
            if ($messages.scrollTop() / ($messages[0].scrollHeight - $messages[0].offsetHeight) >= 0.95) {
                // Pinned to bottom
                scrollToBottom = true;
            } else if ($messages[0].scrollHeight <= $messages.height()) {
                // Haven't added the scrollbar yet
                scrollToBottom = true;
            }

            $messages.append($message);

            if (scrollToBottom) {
                $messages.scrollTop($messages[0].scrollHeight);
            }
        }
    };

    /**
     * Remove a message by id.
     *
     * @param    {string}    roomId
     * @param    {string}    messageId
     */
    FirechatUI.prototype.removeMessage = function(roomId, messageId) {
        $('.message[data-message-id="' + messageId + '"]').remove();
    };

    /**
     * Given a selector for a list element, sort the items alphabetically.
     *
     * @param    {string}    selector
     */
    FirechatUI.prototype.sortListLexicographically = function(selector) {
        $(selector).children("li").sort(function(a, b) {
            var upA = $(a).text().toUpperCase();
            var upB = $(b).text().toUpperCase();
            return (upA < upB) ? -1 : (upA > upB) ? 1 : 0;
        }).appendTo(selector);
    };

    /**
     * Remove leading and trailing whitespace from a string and shrink it, with
     * added ellipsis, if it exceeds a specified length.
     *
     * @param    {string}    str
     * @param    {number}    length
     * @return   {string}
     */
    FirechatUI.prototype.trimWithEllipsis = function(str, length) {
        str = str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
        return (length && str.length <= length) ? str : str.substring(0, length) + '...';
    };

    /**
     * Given a timestamp, format it in the form hh:mm am/pm. Defaults to now
     * if the timestamp is undefined.
     *
     * @param    {Number}    timestamp
     * @param    {string}    date
     */
    FirechatUI.prototype.formatTime = function(timestamp) {
        var date = (timestamp) ? new Date(timestamp) : new Date(),
            hours = date.getHours() || 12,
            minutes = '' + date.getMinutes(),
            ampm = (date.getHours() >= 12) ? 'pm' : 'am';

        hours = (hours > 12) ? hours - 12 : hours;
        minutes = (minutes.length < 2) ? '0' + minutes : minutes;
        return '' + hours + ':' + minutes + ampm;
    };

    /**
     * Launch a prompt to allow the user to create a new room.
     */
    FirechatUI.prototype.promptCreateRoom = function() {
        var self = this;
        var template = FirechatDefaultTemplates["templates/prompt-create-room.html"];

        var $prompt = this.prompt('Create Public Room', template({
            maxLengthRoomName: this.maxLengthRoomName,
            isModerator: self._chat.userIsModerator()
        }));
        $prompt.find('a.close').first().click(function() {
            $prompt.remove();
            return false;
        });


        $prompt.find('[data-toggle=submit]').first().click(function() {
            var name = $prompt.find('[data-input=firechat-room-name]').first().val();
            if (name !== '') {
                self._chat.createRoom(name, 'public');
                $prompt.remove();
            }
            return false;
        });

        $prompt.find('[data-input=firechat-room-name]').first().focus();
        $prompt.find('[data-input=firechat-room-name]').first().bind('keydown', function(e) {
            if (e.which === 13) {
                var name = $prompt.find('[data-input=firechat-room-name]').first().val();
                if (name !== '') {
                    self._chat.createRoom(name, 'public');
                    $prompt.remove();
                    return false;
                }
            }
        });
    };

    /**
     * Inner method to launch a prompt given a specific title and HTML content.
     * @param    {string}    title
     * @param    {string}    content
     */
    FirechatUI.prototype.prompt = function(title, content) {
        var template = FirechatDefaultTemplates["templates/prompt.html"],
            $prompt;

        $prompt = $(template({
            title: title,
            content: content
        })).css({
                top: this.$wrapper.position().top + (0.333 * this.$wrapper.height()),
                left: this.$wrapper.position().left + (0.125 * this.$wrapper.width()),
                width: 0.75 * this.$wrapper.width()
            });
        this.$wrapper.append($prompt.removeClass('hidden'));
        return $prompt;
    };

    // see http://stackoverflow.com/questions/37684/how-to-replace-plain-urls-with-links
    FirechatUI.prototype.linkify = function(str) {
        var self = this;
        return str
            .replace(self.urlPattern, '<a target="_blank" href="$&">$&</a>')
            .replace(self.pseudoUrlPattern, '$1<a target="_blank" href="http://$2">$2</a>');
    };

})(jQuery);